JP2003310540A - Endoscope - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an endoscope in which a liquid is atomized even without using a special catheter such as a liquid medicine atomizer tube and operability is improved. <P>SOLUTION: In an endoscope 1, a continuous air feed adapter 12 is freely removably provided on the opposite side of a curved operating lever 11 in an operating part 5, and an air feed mouthpiece 14 of the continuous air feed adapter 12 is connected to an unillustrated air feeding means via a tube 15, and inserted to a channel 17 provided within an inserting part 4. Besides, near the terminal portion of the operating part 5 on the side of the inserting part 4, a channel mouthpiece 18 is provided for feeding the liquid or the like by inserting a treatment tool such as biopsy forceps or laser probe or by connecting an adapter 3, a syringe 2 and the like. The channel mouthpiece 18 is communicated to the channel 17 inside the operating part 5. When an anesthetic medicine is fed by the syringe 2 while feeding air into the channel 17 by the air feeding means, the anesthetic medicine is approximately atomized out of the opening on the top of the channel together with air. <P>COPYRIGHT: (C)2004,JPO

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chemical spray tube.
Spraying liquid without using special catheter such as
And an endoscope with good operability. [0002] Conventionally, an endoscope is used as a guide before surgery.
To place a breathing management tube in the trachea
If bronchoscopy is to be performed, anesthetic should be placed in the endoscope channel
Inject into the bronchi via the
And then insert the endoscope or tracheal tube
I was going by law. In this case, efficient with less anesthetic
For anesthetizing a wide area, for example, Japanese Patent Application Laid-Open No. 2001-8
No. 889, insert it into a channel of an endoscope, etc.
A chemical spray tube that can be used has been proposed.
You. [0003] The chemical spray tube according to this proposal is provided with a passage.
A tube having a, provided at the tip of this tube,
A tip having an injection hole for spraying a chemical solution, and the tube
A main body provided at the base end of the main body and a main body provided at the main body.
A chemical solution supply port communicating with the passage of the tube;
Air is supplied to the chemical supplied from the chemical supply port.
Mix and supply this mixed fluid to the tube passage
It is characterized by comprising a gas-liquid mixing section. With such a configuration, an endoscope channel is provided.
The diameter has been reduced so that it can be used by inserting
Achieve a chemical spray tube that is easy to operate and has good operability
Trying to. [0005] However, the prior art
In technology, to spray anesthetic, besides endoscope
Special catheter called chemical spray tube
It is necessary to prepare (purchase) a tel, which costs
There was a problem that it would be lost. Also, chemical spray
If a tube is used, it depends on the outer diameter of the chemical spray tube.
And an endoscope having a channel inner diameter through which it can be inserted.
Endoscopes that need to be prepared and can be used in combination
There was an inconvenience of being restricted. In addition,
Considering the workability, the chemical spray tube sends air manually.
Spraying operation requires both hands
And unless an assistant, not an operator, operates the endoscope
There is a drawback such as not to be, when cleaning the equipment after use,
It takes time to clean the chemical spray tube besides the endoscope
And as a result we cannot get a satisfactory operability
There was also an inconvenience that there was none. Therefore, the present invention has been made in view of the above problems.
Special catheter such as a chemical spray tube.
Spray of liquid is possible without using, and operability is improved.
The purpose is to provide an endoscope that can be raised
You. [0007] An endoscope according to the present invention comprises a treatment
At least one or more channels for inserting tools, sending air, sending liquid, etc.
An endoscope having a channel, wherein the at least one
Air supply means and air supply that can simultaneously supply and supply liquid to channels
Liquid means, and by the air supply means and the liquid supply means,
By supplying air and liquid, the end of the insertion section of the endoscope can be changed.
The liquid is ejected in the form of a mist from the flannel opening.
That is, inserting a tube into the trachea prior to surgery.
When browsing or bronchoscopy in the same channel
Mist by mixing air and anesthetic with
And sprayable into the trachea. When a fluid flows through a pipe, the fluid has a certain flow rate
Above, so-called irregular flow of fluid in the pipeline
Turbulence occurs, but generally governs turbulence in flow in pipelines
Reynolds number (ratio of inertial force to viscous force of fluid)
It is often discussed by dimensionless numbers. Reino
The loose number Re is expressed as Re = Vd / ν (V: flow velocity, d: in the pipeline)
Diameter, ν: kinematic viscosity coefficient).
The turbulence inside the road increases. Targeted in the present invention
Fluids are primarily oxygen delivered to patients, but clinically
Has an upper limit on its dose, so oxygen flow (Q) and dynamic
When the viscosity coefficient is constant, Q = V ｛(d / 2) ^Two π｝
From the relationship, by reducing d, Vd, that is, Reino
Loose number increases. With turbulence generated in the pipeline,
When a liquid such as an anesthetic is dropped, the liquid and oxygen may disturb the flow.
Channels at the distal end of the endoscope
At the opening, the acid cord and the anesthetic are sufficiently mixed
In general, it will be ejected in a fog state. sand
In other words, the present invention utilizes this principle, and
The required amount of oxygen delivered to the patient via the
At the same time, the anesthetic is atomized by the above-mentioned method and widely dispersed.
Can be clothed. The actual use procedure is
A machine that puts an anesthetic into a liquid sending means such as a dice and sends the liquid through an endoscope
Structure, that is, the channel of the channel connected to the air supply means
Connected to the base and air is supplied by air supply means. And
While sending air by the air sending means, from the liquid sending means,
Supply anesthetic in the channel. By such a procedure
Air from the channel opening at the end of the endoscope insertion section.
The entrapped anesthetic will be sprayed out in a mist.
You. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described.
This will be described with reference to the drawings. First Embodiment: FIGS. 1 to 4 show an endoscope according to the present invention.
FIG. 1 shows an embodiment of an endoscope system using the endoscope.
FIG. 2 is a configuration diagram showing a schematic configuration of the entire stem, and FIG.
A cutaway showing the mounting structure of the adapter body to the operating part of the mirror
FIG. 3 Adapts to the channel base 18 of the endoscope of FIG.
Sectional view with the adapter attached, Fig. 4 shows the adapter deformed
For example, if the adapter is attached to the channel base
FIG. (Configuration) An endoscope system using the endoscope of the present invention.
The stem includes an endoscope 1 and a wall such as an examination room as shown in FIG.
Oxygen supply line or oxygen cylinder
Air supply means (not shown) and syringe 2 as liquid supply means
And an adapter 3 equipped with a check valve,
And a forceps stopper 50 that can be attached to the device. The endoscope 1 has a solid-state imaging device such as a CCD at the distal end.
Slender insertion section 4 incorporating an image pickup unit having an element
And is continuously provided on the base end side of the insertion portion 4 and also serves as a grip portion.
An operation unit 5 and a light extending from a side of the operation unit 5
Built-in guide fiber and imaging unit cable
Universal code 6 and this universal code 6
This connector consists of a connector section 7 provided at the tip.
A light source device and a video processor device (not shown)
To be connected to. The video processor (shown in FIG. 1)
) Is connected to a monitor (not shown)
And an optical image of the portion to be inspected was taken by the solid-state imaging device.
After that, the video processor processes the signal and the monitor
An image of the inspection unit is displayed. The insertion portion 4 has a hard tip provided at the tip.
Material portion 8 and a curvature provided on the proximal end side of the distal end hard portion 8
A freely bending portion 9 and a base portion of the bending portion 9
A flexible tube portion 10 which is long and flexible.
You. A bending operation lever is provided on the rear side of the operation unit 5.
11 is provided, and the bending operation lever 11 is turned.
The bending section 9 can be bent by performing a moving operation.
It has become. Opposite to the bending operation lever 11 of the operation unit 5
On the side, a continuous air supply adapter 12 is detachably provided.
I have. This continuous air supply adapter 12 is made of silicone rubber or the like.
Adapter body 13 made of an elastic member, metal or hard
And an air supply base 14 made of a simple resin member.
The air supply cap 14 is not shown via a tube 15.
Connected to the air supply means. In addition, the air supply base 14 is
4 and communicates with a channel 17 provided therein.
The channel 17 is open at the distal end surface of the distal end hard portion 8.
You. The adapter body 13 is shown in FIG.
As shown in the figure, it is removably tightened and fitted to the operation unit 5.
The operation section of the adapter body 13
An air supply mouthpiece 14 is extended and fitted inside the attachment portion 16.
, The strength of the operation unit mounting portion 16 increases,
15 when continuously pulled from the operation unit 5
There is an effect that the air adapter 12 is hard to come off. The vicinity of the end of the operation section 5 on the insertion section 4 side is shown in the figure.
Do not insert treatment tools such as biopsy forceps or laser probes.
Or connect the adapter 3, the syringe 2, etc.
A channel base 18 is provided. The channel base 18 is provided inside the operation unit 5.
A portion communicates with the channel 17. This channel
The adapter 3, the syringe 2, etc. are connected to the
If not, air leaks from channel base 18
Air supply or suction cannot be performed. Prevent it
For this reason, the channel is made of an elastic member such as silicon rubber.
A lid 19 is provided which fits air-tightly and liquid-tightly to the panel base 18.
Have been. A tongue piece 20 extends from the lid 19,
Further, the neck portion 21 of the channel base 18 is further
A ring-shaped locking portion 22 that can be attached is provided.
When the lid 19 is removed, the locking portion 22
Because it is attached to the part 21, the lid 19
It has the effect of squeezing. The inner surface of the channel base 18 is
Luer taper type that can attach and detach the adapter 3
Liquid such as an anesthetic from the channel base 18
When sending in, the adapter 3 is attached to the channel base 18.
Attached, luer taper part of adapter 3 described later
Is connected to the syringe 2. Further, the device is attached to the channel base 18.
The configuration of the adapter 3 is described in detail with reference to FIG.
Will be described. As shown in FIG. 3, the adapter 3 is
Main body 23, anesthesia cap 24, and placed inside anesthesia cap 24
And a check valve 25 for preventing backflow of the fluid.
Fixing for fixing the main body 23 to the channel base 18
It is composed of a ring 26. The connecting portion main body 23 has a substantially T-shaped hollow shape.
And fits on the inner surface of the channel base 18 and is removable
Luer taper part 27 connectable to
Stopper 2 to prevent the connector from coming out of the connection part body 23
8, a male screw portion 29 to which the anesthesia cap 24 can be connected, and forceps
From the forceps base 30 to which the stopper 50 can be detachably attached
Be composed. The anesthetic base 24 has a substantially cylindrical shape.
One end can be detachably connected to a liquid sending means such as a syringe at one end.
Female mouth which can be connected to the male opening 29 at the other end.
Space 32 in which the check valve 25 can be arranged
A part 33 is provided. The check valve 25 is made of an elastic member such as silicon rubber.
And a slit (not shown) is formed in the dome-shaped portion 34.
It has been subjected. That is, the domes 34
The lure opening 31
For a fluid going to
Acts to close, preventing backflow. The fixing ring 26 has a substantially cylindrical shape.
Threadable engagement with flange 35 of flannel base 18
Engaging groove 36 and stopper 28 of connecting portion main body 23
And a projection 37 that engages with the connection portion main body.
23 is freely rotatably fitted with respect to 23. FIG. 4 shows a modification of the adapter 3.
However, the endoscope of the present invention has an adapter 3 shown in FIG.
Eight adaptations are also possible. Configuration of such an adapter 38
Will be described with reference to FIG. It will be described below.
Except for the part, it has the same structure as the adapter 3 (see FIG. 2).
Yes, description is omitted. As shown in FIG. 4, the adapter 38
Endoscope used for placing a tube in the trachea
It is an adapter for (intubation endoscope). The intubation endoscope does not use a treatment tool.
The adapter 38 has a treatment provided for the adapter 3.
Corresponding to the forceps base 30 (see FIG. 2) through which the tool is inserted.
And the body 39 and the anesthetic base 40 are aligned.
It is configured. The main body 39 has a pipe 41 provided therein.
And the adapter 38 is attached to the channel base 18
In the attached state, the distal end opening 42 of the pipeline 41
Are located near the junction with the air supply line 43.
Has been established. The inner diameter of the pipe 41 is determined by the cleaning of the pipe 41.
The liquid is dripped to the extent possible and from the tip opening 42.
It is provided as thin as possible. In addition, pipe 41
The structure is not unique to the adapter 38 alone.
And can be applied to the same adapter as the other embodiments.
Things. (Operation) Next, the operation of the endoscope of this embodiment will be described.
The method of use will be described in detail with reference to FIG. Now, using the secretoscope shown in FIG.
Anesthesia shall be performed by introducing an anesthetic into the bronchi. This
In the case of the endoscope according to the present embodiment, first, as shown in FIG.
An anesthetic is put in the syringe 2 and the syringe 2 is connected to the adapter 3.
(Or adapter 38: see FIG. 4))
Connect to (40). Then, a tube is supplied from an air supply means (not shown).
15, channel 17 through the continuous air supply adapter 12
Air is supplied inside. Then, while performing the air supply as described above,
Syringe 2 cuts 0.5 to 1 mL of anesthetic at a time.
Supply continuously. At this time, channel by air supply and liquid supply
Pressure inside the channel rises due to internal flow path resistance
However, a check valve 25 is provided near the mounting portion of the syringe 2.
The backflow of oxygen into the syringe
This prevents the syringe piston from being pushed back.
No. With the above operation, the tip of the channel 17
An anesthetic containing air is sprayed from the opening into a mist
Will be issued. At this time, the results shown in Tables 1 and 2 below were obtained.
As described above, when the channel inner diameter is φ1.2 mm, the air supply flow rate is 1.
From 5 L / min, the anesthetic is squirted out in a mist,
For φ2.2mm, anesthetic is almost atomized from 2L / min
Was squirted. [Table 1] [Table 2] Furthermore, as mentioned above, the effect of atomizing the anesthetic is
The smaller the inner diameter of the channel is,
When the inner diameter of the pipe is smaller than φ1.2mm, naturally 2.0L
Good spray condition from air supply flow rate less than / min
Will be done. Therefore, the cleaning property is not impaired.
Considering the inner diameter of the channel, the diameter of φ0.5 ~ 2.2mm
At the inside diameter of the channel, a small amount of anesthetic is intermittently supplied.
The air at a rate of 2.0 L / min or more.
If any, anesthetic is applied to any channel inside diameter.
It can be ejected in a mist. This allows efficient use of less anesthetics
Anesthesia can be performed over a wide area. Then, remove the forceps
When performing treatment using the fixture, spray the drug solution when performing anesthesia.
Since the mist tube is not inserted, the forceps stopper
The treatment tool is inserted into the channel 17 through 50
You. In this way, the treatment using the treatment tool is performed
Will be. (Effect) Therefore, according to the present embodiment,
For example, when using a treatment tool such as forceps,
Endoscope that can be sprayed under anesthesia without the need for
Because it can be realized with a channel, there are two
The outer diameter of the insertion section is smaller than that of an endoscope with a channel.
The endoscope is easier to insert and the burden on the patient
Can be reduced. Further, a treatment tool such as forceps is inserted into the channel.
Spraying the anesthetic solution in this state, forceps and channel
The cross-sectional area of the gap becomes smaller, resulting in a thinner chip.
Efficient injection similar to spraying from the channel
A fog effect is obtained. In addition, a small amount of anesthetic is intermittently supplied.
With this, the anesthetic fluid is efficiently discharged against the turbulence generated in the pipeline.
Will be mixed and a good spray condition will be obtained.
To efficiently and widely anesthetize with less anesthetic
Can be. In particular, in the adapter 38, the conduit 41
Is provided so that an anesthetic solution can be dripped.
The anesthetic fluid mixes more efficiently against turbulence
Becomes possible. Further, in the adapter 38, the pipe 4
Anesthesia in the adapter 38 because the 1 is thin
Minimize drug retention and provide a more accurate dose of anesthetic
Feeding becomes possible and anesthesia can be applied without waste. Also,
In the adapter 38, since the conduit 41 is straight,
Washability is better than that of TA3. As described above, a special spray tube such as a chemical spray tube is used.
Liquid spraying is possible without using a catheter, and
Of an endoscope that can improve operability
It becomes. Second Embodiment FIGS. 5 to 7 show the present invention.
2 shows a second embodiment of the endoscope, and FIG.
Configuration showing the schematic configuration of the entire bronchial endoscope system used
FIG. 6 and FIG. 6 show the structure of the anesthetic base and the adapter of the endoscope of FIG.
FIG. 7 is a cross-sectional view for explaining the structure, and FIG.
FIG. 7A is a cross-sectional view showing a modified example of the adapter and the adapter, and FIG.
FIG. 7B shows a natural state with the adapter attached, and FIG.
With the syringe attached to the base, the entire syringe
Shows a state when is pressed downward. In addition, the following
In the description, only portions different from those of the first embodiment are described.
Put on. (Configuration) The endoscope 1A of the present embodiment is
As shown in FIG. 5, unlike the first embodiment,
A bronchoscope that guides the image with a fiber cable
Therefore, the image is directly observed with the eyes at the upper end of the operation unit 117.
Eyepiece 112 for providing the same. An endoscope channel is provided above the operation unit 117.
For suctioning and inserting forceps for treatment.
Suction base for connecting forceps base 101 and suction tube
102 is provided and is detachable from the forceps base 101
A simple suction lever 103 and a forceps stopper 104 attached thereto
Attach and use. With the suction lever 103 and the forceps stopper 104 attached,
With the L-shaped suction lever pressed down.
Thus, the inside of the forceps base 101 and the suction base 102 communicate with each other.
It has a structure to do. On the other hand, a treatment tool such as a forceps is
Of a silicone resin valve (not shown)
It is guided into the forceps base 101 via the lit part. Further
In addition, the internal passage of the forceps base is inside the operation unit 117 and the insertion unit 1
24 to the distal end of the bronchoscope,
It functions as a channel 105. An anesthetic cap 107 is provided below the operation unit 117.
And a passage inside the anesthesia base 107.
Is inserted independently of the aforementioned treatment channel 105.
Through the section 124 to the distal end of the bronchoscope,
It functions as the channel 106. On the side surface of the anesthesia base 107, an air supply base 10 is provided.
8 is provided, and an adapter 110 is
It can be attached now. This adapter 1
Syringe 111 containing anesthetic can be attached to 10
It is. The actual use procedure of the endoscope 1A having the above configuration is as follows.
It is as follows. The anesthesia base 107 and the adapter
The configuration of the data 110 will be described later. In the endoscope 1A shown in FIG.
An air supply tube 109 is connected to the air base 108 and the air supply tube is connected.
The other end of the tube 109 is provided on a wall of an inspection room (not shown).
Connected to the supplied oxygen supply line or equipped with a pressure reducing valve, etc.
(Not shown). Next, the syringe 111 is connected to the adapter 110.
When rotated in the direction of the arrow in the figure, the suction tube 10
And the structure in which the interior of 9 and the channel 105 for anesthesia are opened
Oxygen is released from the end of the bronchoscope
You. In this state, the anesthetic in the syringe 111 is injected.
Thus, the inside of the anesthesia base 107 and the anesthesia chamber
Oxygen and anesthetic mix inside the flannel 106 (see FIG. 5)
And it is released as a mist from the tip of the bronchoscope.
You. When there is no need to spray an anesthetic
Or if you do not need to supply oxygen to the patient, use a syringe
By rotating 111 in the direction opposite to the arrow in the figure, acid
Elementary flow can be blocked. Next, anesthesia shown in FIG. 5 with reference to FIG.
The structures of the base 107 and the adapter 110 will be described in detail.
You. The inside of the anesthesia base 108 has a substantially cylindrical shape.
Holes are drilled, and the channel for anesthesia is
In communication with the file 106. Attached to this part
The adapter 110 is substantially L-shaped as shown in FIG.
One end is fitted inside the anesthetic cap 108 and the other end
Is the shape of the luer base to which the syringe 111 can be attached.
Has become. Mounting Adapter 110 on Anesthesia Cap 108
The O-ring groove 116a and the O-ring 11
6 are provided in two places, and the O
Two grooves 107a are provided in the portion where the ring 116 is located
Have been. Thus, when the adapter 110 is attached
In addition to maintaining airtightness between each
It causes a licking feeling and makes it difficult to remove the adapter 110
Can be made. Further, a state in which the adapter 110 is attached.
Now, open the air supply mouthpiece provided on the side of the mouthpiece 107 for anesthesia.
The mouth 115 is provided at an intermediate position between the two O-rings 116.
On the other hand, adapter 110 has internal passages and
An opening 114 is provided to penetrate the outer surface of the adapter.
You. With the adapter 110 attached,
Is rotated with respect to the base 107 for anesthesia.
The mouthpiece opening 115 and the opening 114 coincide with each other,
108 and adapter 110 and anesthesia channel
106 are connected to each other. The luer base 125 of the adapter 110
The anesthetic is placed between the
Check valve 113 (one-way valve) is provided
You. FIG. 7 shows the base 107 for anesthesia and the adapter.
Although a modification of the putter 110 is shown, the endoscope of the present invention is shown.
1A is also applicable to the anesthetic base and adapter shown in Fig. 7.
Noh. The configuration of such an anesthetic cap and adapter
This will be described with reference to FIG. As shown in FIG. 7, the adapter 110 is
With a hole in the middle and a check valve 113 in the middle
And made of silicon rubber at the lower end
On the outer surface of the packing 121 and the middle part of the cylinder 120
O-ring 116 and packing 121 provided and syringe
And a constricted portion 122 between the
Lure base 118, the O-ring 116 and the lure base
Fixing member 126 and elastic portion provided between gold 118
Material 119. The upper part of the elastic member 119 is provided with the luer base 11.
8 is fixed to the cylinder 120 at the lower part of the elastic member 119.
Is fixed to the fixing member 126.
Elastic member 119 of cylinder 120 is deformed with respect to 126
By doing so, it can be moved up and down. A cylinder provided inside the anesthesia base 107
The hole is shaped so that the adapter 110 can be stored.
The upper end face has a shape to which the fixing member 126 can be attached and detached.
Is configured. Also, in the cylindrical hole,
An enlarged portion 123 having a large inner diameter is provided. According to the above configuration, the adapter 110 is detached.
In the attached natural state, as shown in FIG.
The upper part of 122 can be air-tight with an O-ring 116
The lower part of the constricted part 122 is kept airtight by the packing 121.
Will be held. For this reason, the air outlet that extends to the side
The supply of oxygen and the like from the gold 108 is inside the anesthesia base 107
Is shut off at The cylinder 120 as a whole is
In the state where the elastic member 119 is attached,
Although it is lifted upward,
With the syringe 111 attached, the entire syringe 111
By pressing downward, as shown in FIG.
The material 119 is deformed, and the packing 121 at the lower end of the cylinder is
It is completely pushed into the expanding section 123. Because of this,
The airtightness of the part is not maintained, and as a result, FIG.
As shown, oxygen is supplied from the air supply base 108 to the path indicated by the arrow A in the figure.
To be supplied into the channel. Of course, Shirin
When the operation of pushing down the jaw 111 is stopped, the elastic member 119 is
In order to return to the state shown in FIG. 7A, the supply of oxygen is stopped again.
Will be. (Operation and Effect) Therefore, the present embodiment
According to the endoscope is configured as a bronchoscope system
In this case, a special catheter etc.
Without passing through the channel, the flow of oxygen
Spraying of the used anesthetic is possible,
ON / OFF of oxygen supply to the syringe to inject anesthetic
All operations can be performed by one operator.
Therefore, the conventional method using a catheter for spraying
Operability can be remarkably improved as compared with the method. Further, an anesthesia channel and a treatment channel are provided.
Since the channel is provided independently, a treatment tool is used.
Anesthesia spraying can be performed while performing. Further, as described above, the anesthetic is atomized.
This effect is more efficient as the flow rate of the supplied fluid is higher.
The channel for anesthesia does not impair the washability
It is desirable to minimize the size as much as possible (generally,
The inner diameter of the tunnel is preferably about 0.5 to 1.5 mm). this
For this reason, even if a dedicated channel for anesthesia is provided,
The effect on the outer diameter of the bronchoscope is small,
With the same outer diameter as a bronchoscope equipped with only one
There is also an advantage that the embodiment can be realized. The adapter 110 is made detachable.
Also, be sure to clean the inside of the base and the adapter.
Can be. Third Embodiment FIG. 8 shows an endoscope according to the present invention.
A third embodiment is shown, and the second embodiment is modified.
The schematic structure of the whole bronchial endoscope system is shown.
It is a block diagram. The following description is based on the second embodiment.
Only parts different from the form are described. (Configuration) In general, in the case of bronchoscopy,
Patients often have reduced respiratory function
Then, insert a tube called a tracheal tube into the bronchi,
Sustained oxygen is often administered via a tube. this
In some cases, the tracheal tube also functions as a guide tube for the bronchoscope.
Will be. The oxygen dose is set according to the patient's respiratory condition.
However, it is often 2-5 L / min. Therefore, in the present embodiment, as shown in FIG.
As described above, the air supply line 129 is bifurcated on the way.
(Air supply line 130) is attached to the tracheal tube 127,
The other (air supply line 131) is connected to the air supply of the second embodiment.
Air supply mouthpiece 108 of bronchoscope 128 (corresponding to reference numeral 1A) (FIG.
5 or FIG. 7).
It is. Other configurations are the same as those of the second embodiment.
It is almost the same. (Action, effect) Originally, bronchoscopy
Is often performed while oxygen is administered to the patient.
Direct the air supply line 129 without branching the in 129
The bronchoscope 128 according to the second embodiment (reference numeral 1A)
(Equivalent), do not turn on air supply switching.
As long as the supply of oxygen to the patient is stopped,
May affect state. Further, the air supply line 129
Pressure in the air supply line 129 due to lack of oxygen flow
The air supply switching means is turned on
Immediately after the oxygen supply is started, a large amount of oxygen flows to the patient.
There is also a risk of getting lost. Therefore, in this embodiment, the air supply line 1
Anesthesia is injected by branching 29 into two branches
When there is no fog, all oxygen passing through the air supply line 129
To the tracheal tube 127 through the air supply line 130
When spraying the anesthetic, use the syringe
Oxygen is supplied to the air supply line 131 side by spraying, and anesthesia is sprayed.
I do. At this time, the acid flowing to the air supply line 131 side
Was also administered to the patient through the bronchoscope channel.
Constant total oxygen dose with or without anesthetic spray
There is an advantage that can be kept. Of course,
Because there is no pressure rise inside the oxygen, the oxygen
There is no need to worry about flowing to the patient. Other functions and effects are the same as those of the second embodiment.
Same as the form. The present invention is not limited to the first to third embodiments.
The present invention is not limited to the embodiments described above, and is an application of each embodiment.
And combinations are also applied to the present invention. [Supplementary Note] (Supplementary Note 1) It is necessary to insert a treatment tool, send air
Endoscope having at least one channel,
At least one channel can be simultaneously gas- and liquid-fed
The air supply means and the liquid supply means.
Depending on the stage, air and liquid are sent at the same time,
Spray the liquid in a mist from the channel opening at the tip of the inlet
An endoscope characterized by the fact that: (Supplementary Note 2) The liquid sending means and the channel
A check valve to prevent fluid backflow
2. The endoscope according to claim 1, wherein: (Supplementary Note 3) When the inner diameter of the channel is φ0.
The air supply flow rate is set to 5 to 2.2 mm.
While supplying air at 0 L / min or more, the liquid
Supplementary note 1 characterized by the intermittent supply of 1 mL
The endoscope as described. (Supplementary Note 4) The air supply means has an air supply base.
ON / OF for turning on / off the air supply is provided in the air supply base.
F means is provided, and said liquid sending means is a syringe,
The ON / OFF means is moved by moving the syringe.
N / OFF switching is described in Appendix 1.
Endoscope. Thus, the syringe is switched to the switching switch.
The operability is greatly improved because the switch cannot be used. (Supplementary Note 5) The endoscope has two channels.
A channel communicating with the air supply means and the liquid supply means.
The channel is characterized by having an inner diameter of 1.2 mm or less.
The endoscope according to Supplementary Note 1 which is a feature. Thus, the endoscope is configured as a bronchoscope.
In this case, the diameter of the bronchoscope can be reduced. (Supplementary Note 6) Air supply guided to the air supply base
The tube (tube) is branched into two branches, one of which is a bronchoscope
The other end is connected to the air inlet, and the other is
Connected to the patient's airway through each route together
The supplementary note 4 characterized in that a conduit led into the inside was formed.
The endoscope as described. As a result, the air supply mouthpiece was turned off.
Condition prevents the insufflation pressure from rising and at the same time
Stable respiratory condition due to continuous delivery of constant oxygen
Can be done. As described above, according to the present invention, as described above,
When spraying liquid through an endoscope, use a chemical spray tube, etc.
No special catheter required, saving money
Possible and easier to prepare. Also, the chemical spray tube
Since it is not necessary to insert a probe, etc.,
Good workability and time to clean chemical spray tube
Can be omitted. In addition, when inserting a tracheal tube before surgery
When bronchoscopy or oxygen is administered to a patient,
Is usually implemented without any special preparation.
Just prepare the test to obtain the driving air for the anesthetic spray.
Can be

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a configuration diagram showing a first embodiment of an endoscope of the present invention, and showing a schematic configuration of an entire endoscope system using the endoscope. FIG. 2 is a sectional view showing a mounting structure of an adapter main body to an operation unit of the endoscope in FIG. 1; FIG. 3 is a sectional view showing a state where an adapter is attached to a channel base of the endoscope of FIG. 1; FIG. 4 is a cross-sectional view showing a modification of the adapter of FIG. 3, in which the adapter is attached to a channel base; FIG. 5 is a configuration diagram showing a second embodiment of the endoscope of the present invention and showing a schematic configuration of an entire bronchial endoscope system using the endoscope. FIG. 6 is a cross-sectional view for explaining the structure of the anesthetic base and the adapter of the endoscope in FIG. 5; FIG. 7 is a cross-sectional view showing a modified example of the anesthetic base and the adapter of FIG. 6; FIG. 8 is a configuration diagram showing a third embodiment of the endoscope of the present invention, and showing a schematic configuration of an entire bronchial endoscope system obtained by improving the second embodiment. [Description of Signs] 1 endoscope, 1A bronchoscope, 2 syringe (liquid sending means), 3 adapter, 4 insertion section, 5 operation section, 6 universal cord, 7 connector section, 8 ... Hard tip part, 9 ... Bending part, 10 ... Flexible tube part, 11 ... Bending operation lever, 12 ... Connection air supply adapter, 13 ... Adapter body, 14 ... Air supply base, 15 ... Tube, 16 ... Operation part mounting Parts: 17: Channel, 18: Channel base, 19: Lid, 20: Tongue piece, 21: Neck, 22: Locking part, 23: Connection body, 24: Anesthetic base, 25: Check valve, 26 ... Fixing ring, 27: Luer taper part, 28: Stopper, 29: Male screw part, 30: Forceps cap part, 31: Luer mouth part, 32: Female screw part, 33: Space part, 34: Dome shape part, 35 ... Flange, 36 ... engagement groove 37, a projection, 38, an adapter, 39, a main body, 40, an anesthesia base, 41, a conduit, 42, a distal end opening, 43, an air supply conduit, 50, a forceps stopper.

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G02B 23/24 G02B 23/24 A F term (Reference) 2H040 DA57 4C061 AA07 FF42 FF43 HH03 HH04 HH22 HH56 4C066 AA01 BB10 CC01 FF01 FF02 JJ07 JJ10

Claims (1)

Claims: 1. An endoscope having at least one or more channels through which a treatment tool is inserted, air-supplied, liquid-supplied, and the like, wherein air-supply and liquid-supply can be simultaneously performed on the at least one channel. It has an air supply unit and a liquid supply unit, and simultaneously performs air supply and liquid supply by the air supply unit and the liquid supply unit, thereby ejecting the liquid in a mist form from the channel opening at the distal end of the insertion portion of the endoscope. An endoscope characterized by being made to work.